The Prime Ministry's Economic Advisory Council (PMEAC) Chairman also said fiscal deficit is a concern too and suggested raising domestic oil prices to restrict it to the budget target of 4.8% of the GDP in this fiscal.
"Controlling CAD remains the main concern at present... On the assumption that total CAD will be $70 billion and the net capital inflows that we have estimated (about $61 billion), there will be a drawdown on the reserves of about $9 billion," Rangarajan said.
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He also expressed the hope that CAD will even fall below $70 billion if the capital inflows picks up.
"Additional focussed steps to increase net capital inflows can result in up to $10-15 billion more inflows during the year, ramping it up to over $75 billion, which, in combination with a restrained CAD, would enable some reserve rebuilding," the PMEAC chief said.
The CAD was not fully financed in 2011-12 and the country had to run down reserves by $12.8 billion.
India, however, had fully financed its record current account deficit of $88.2 billion last fiscal and even added $3.8 billion to the foreign exchange reserves.
Finance Minister P Chidambaram had been maintaining that India would be able to fully finance CAD this year as well.
"This year we will contain the current account deficit to $70 billion or below and we will fully finance it," he said in the Lok Sabha on August 27.
The economic outlook report for the fiscal prepared by PMEAC stressed a focused strategy to improve export competitiveness to take advantage of rupee depreciation to bring down the CAD.
While releasing the report, Rangarajan pitched for simplifying export-related procedures and boost domestic coal production.
Other steps suggested by the council, include reduction in oil subsidies to make them more price elastic and pro-active implementation of modified gold deposit scheme.
With regards to foreign investment, Rangarajan stressed on stable, non-reversible policy regime besides early resolution of transfer pricing issues.
PMEAC also suggested additional steps to increase net capital inflows.